Drive selection memo — regenerative system for 400 V class
The ATV980C80Q4X1 is a variable speed drive from the Altivar Process ATV900 series, specifically the ATV980 regenerative variant, delivering 800 to 630 kW on a 380...415 V three-phase supply. This is a floor-standing compact enclosure, pre-configured with the line choke, dv/dt filter choke, main switch, and graphical operating panel mounted in the door — it arrives as a near-complete drive cabinet, not a bare chassis. Rated for asynchronous and synchronous motors, it handles the regenerative energy from overhauling loads (cranes, conveyors on a decline, test stands) by feeding it back to the line rather than dumping it as heat across a braking resistor. The total harmonic current distortion stays under 5 % at full load, compliant with IEEE 519, which keeps the plant's distribution clean without needing a separate active filter.
The 380...415 V -10...6 % supply range covers the standard European 400 V class with enough headroom for weak grids. IP23 means the enclosure is drip-proof but not washdown-rated — suitable for a clean electrical room or a controlled industrial hall, not for direct spray-down areas. Forced convection cooling requires clearance around the cabinet for airflow; the operating position is vertical ±10 degrees. The vibration and shock ratings (1.5 mm peak-to-peak at 3...20 Hz, 4 gn for 11 ms) matter for applications like marine or mobile plant equipment where the drive sees continuous low-frequency vibration. Altitude derating starts at 1000 m — 1 % per 100 m for all earthing systems (TT, TN, IT) up to 3800 m, and continues to 4800 m with the same rate. If the drive is going into a high-altitude installation, factor that into the motor current rating.